It has to do with keeping the internal circuit boards cool so they don’t overheat due to the heat from the oven. We had a stove that did that too. I hated that thing. It would roar like a jet engine for about 30 minutes even after you turned the oven off.

At least “Off” is consistent. That could have been a total train wreck.

Agreed. Ideally, the animals you eat have only one bad day in their entire life.